<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>Title</title>
</head>
<body>
    <form action="/logout" method="post">
        <input type="submit" value="注销" />
    </form>
    <br/>
    登录成功
</body>
</html>